420515351 has 8 divisors (see below), whose sum is σ = 425552160. Its totient is φ = 415500192.

The previous prime is 420515317. The next prime is 420515363. The reversal of 420515351 is 153515024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420515351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420515351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420517351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35486 + ... + 45828.

It is an arithmetic number, because the mean of its divisors is an integer number (53194020).

Almost surely, 2^420515351 is an apocalyptic number.

420515351 is a deficient number, since it is larger than the sum of its proper divisors (5036809).

420515351 is a wasteful number, since it uses less digits than its factorization.

420515351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 420515351 is about 20506.4709543110. The cubic root of 420515351 is about 749.1934149458.

The spelling of 420515351 in words is "four hundred twenty million, five hundred fifteen thousand, three hundred fifty-one".